import collections

Card = collections.namedtuple('Card',['rank','suit'])

class FrenchDeck:
    ranks = [str(n) for n in range(2,11)] + list('JQKA')
    suits = 'spades diamonds clubs hearts'.split()

    def __init__(self):
        self._cards = [Card(rank, suit) for suit in self.suits
                                        for rank in self.ranks]

    def __len__(self):
        return len(self._cards)

    def __getitem__(self, position):
        return self._cards[position]

if __name__ == "__main__":
    deck = FrenchDeck()

    suit_values = dict(spades=3, hearts=2, diamonds=1, clubs=0)
    def spades_high(card):
        rank_value = FrenchDeck.ranks.index(card.rank)
        return rank_value * len(suit_values) + suit_values[card.suit]
    
    for card in sorted(deck, key=spades_high):
        print(card)
# 试试git vscode 2
